Compare · 10 min read

The best eSIM for Americans in Portugal in 2026.

Flying to Lisbon with an AT&T or Verizon phone and wondering whether to roam? I read what both carriers charge a day in Portugal, set that against five rival travel eSIMs and Ringo Light priced on 22 October 2026, and work out what three days, two weeks and a month cost each way.

Cheapest unlimited eSIM for Portugal: Ringo Light, $16.99 for 2 weeks and $26.99 for 30 days (Ubigi $34 and $48). Prices read 22 October 2026.

Two weeks of unlimited data in Portugal
$16.99

2 weeks · 22 October 2026

Next cheapest: Ubigi $34.00

US dollars, 22 October 2026. The rivals sell 15 days, Ringo Light 2 weeks. Ubigi's 15 days is 30 GB at full speed, then 2 Mbps. Nomad sells no 15-day unlimited.

  1. $16.99
  2. Ubigi$34.00
  3. Airalo$48.00
  4. Saily$48.99
  5. Holafly$50.50
$26.99
A month of unlimited data in Portugal
· 30 days
$11.00
10 GB in Portugal
Airalo· 30 days
Ringo Light · on sale now
Get Ringo Light for Portugal, from $8.99.

The short answer

This one is for an American with AT&T or Verizon who has a week in Lisbon and Porto, or a month there. I read both carriers' roaming pages on 31 October 2026 and set them against five rival travel eSIMs and Ringo Light, priced on 22 October 2026. Portugal is the country where the eSIM beats even a single day of roaming, so I would buy Ringo Light at $8.99 for 3 days, $16.99 for 2 weeks or $26.99 for a month.

OUR PICK
Cheapest unlimited from 3 days to a month, and a fraction of a day pass

Unlimited data at full speed, paid once: 3 days at $8.99, 2 weeks at $16.99 or 30 days at $26.99, where a day pass comes to $36, $168 and $360. Airalo asks $48 for 15 days and $69 for the month.

Airalo
Cheapest buckets, on NOS

Its Fofo Mobil plan: 10 GB for 30 days at $11 and 20 GB at $19, riding NOS.

Ubigi
A big full-speed allowance for one week

20 GB at full speed for 7 days at $19, then 2 Mbps, and 10 GB for 30 days at $11, on MEO with 5G.

Holafly
Simplest unlimited, on three networks

Sold by the day on MEO, NOS and Vodafone, with no daily cap stated for your own phone. A week is $27.50.

Prices read on 22 October 2026: Airalo, Holafly, Saily, Nomad, Ubigi, AT&T, Ringo Light, Verizon on their own sites or listings, Ringo Light from its catalogue. All in US dollars unless stated. Treat every number as a snapshot.

See the full price index for every country.

The prices, charted

Two weeks of unlimited data in Portugal

US dollars, 22 October 2026. The rivals sell 15 days, Ringo Light 2 weeks. Ubigi's 15 days is 30 GB at full speed, then 2 Mbps. Nomad sells no 15-day unlimited.

$16.99 · 2 weekscheapest50% less
Ubigi
$34.00 · 15 days
Airalo
$48.00 · 15 days
Saily
$48.99 · 15 days
Holafly
$50.50 · 15 days

Side by side

Swipe to compare →

Prices read on 22 October 2026, in US dollars
PlanAiraloHolaflySailyNomadUbigi
ModelBuckets or unlimited daysUnlimited days onlyBuckets or unlimited daysBuckets or unlimited daysBuckets, then 2 MbpsUnlimited trips: 2 weeks or 30 days
Unlimited, 3 days$11.50$11.90No 3-day plan$11No 3-day plan$8.99
Unlimited, 7 days$27$27.50$26.99$2520 GB, then 2 Mbps, $19No 7-day plan; 2 weeks $16.99
Unlimited, 15 days$48$50.50$48.99No 15-day plan; 10 days $3330 GB, then 2 Mbps, $342 weeks $16.99
Unlimited, 30 days$69$73.90$71.99No 30-day unlimited60 GB, then 2 Mbps, $48$26.99
10 GB, 30 days$11No buckets$16.99$16$11No buckets; unlimited 2 weeks, $16.99
20 GB, 30 days$19No buckets$27.99$20$12 a month, renewsNo buckets; unlimited 30 days, $26.99
Full speed on unlimitedA daily allowance, then 1 MbpsNo daily cap stated; sharing 1 GB a day5 GB a day, then slowed2 GB a day, then slowerA fixed amount, then 2 MbpsUnlimited data at full speed
NetworksNOS and two othersMEO, NOS, VodafoneMEO, Vodafone, NOSVodafone, MEOMEOLocal partner network
Renews?NoNoNoNoMonthly plans doNo; the trip ends when it ends
App neededYesFor the data balanceYesYesNo, QR installNo, the eSIM arrives by email

Get Ringo Light for Portugal, from $8.99.

Installed once, next to your own SIM. Your eSIM arrives by email in seconds.

Portugal
Portugal
  • 3 days $8.99
  • 2 weeks $16.99
  • 30 days $26.99
Loading plans for this destination.

We sell data eSIMs for now to fund the full Ringo service. Ringo is self funded. Every plan bought here pays for the build of one plan that works everywhere.

All Ringo Light plans for Portugal

Want to keep your own number abroad?

The full Ringo service

That is the full Ringo service: one plan that works everywhere, with your own number included.

It is a separate product from Ringo Light and it is still being built, so it is not on sale yet. Join the waitlist to hear when it opens.

What to see in Portugal, and what your phone needs for it

Eight places most first trips to Portugal include, from Lisbon and Sintra to the Douro valley, the Algarve and Madeira. The cities have strong 4G and 5G, and the valleys and cliffs are where an offline map earns its place.

Belem Tower, Lisbon
LisbonBelem TowerA sixteenth century fort on the edge of the Tagus, a short walk from the Jeronimos Monastery and the custard tart bakery next to it. Go early in the day, before the tour groups.✓Tram 15E and the train from Cais do Sodre both run out to Belem. A transit app shows which one comes first.
Pena Palace, Sintra
SintraPena PalaceA red and yellow palace on a wooded hilltop above the town, with the Moorish Castle on the next ridge. Sintra is about forty minutes by train from Lisbon Rossio.✓Palace entry is by timed slot. Book it on your phone the day before and show the ticket at the gate.
The Ribeira waterfront, Porto
PortoThe Ribeira waterfrontTall coloured houses along the Douro, with the port wine cellars of Vila Nova de Gaia across the bridge. Walk the upper deck of the bridge at sunset.✓Ride-hailing apps work well in Porto and save you the climb back up from the river.
The Douro valley, Pinhao and Regua
Pinhao and ReguaThe Douro valleyTerraced vineyards fall to the river on both sides, the oldest demarcated wine region in the world. The train from Porto follows the river for the last hour; harvest is in September.✓Signal drops in the deepest bends of the valley. Download the offline map before you board.
Benagil Cave, Algarve coast, near Lagoa
Algarve coast, near LagoaBenagil CaveA sea cave with a round hole in its roof, reached from the water by boat, kayak or paddleboard. Calm mornings in late spring and early autumn are the best time.✓Trips cancel when the swell is up. Check the sea forecast and your booking app on the morning.
The old university town, Coimbra
CoimbraThe old university townOne of the oldest universities in Europe sits on the hill above the Mondego, with its baroque library and bell tower. Halfway between Lisbon and Porto by train.✓The library runs on timed entry. Buy the ticket online and keep the QR code on your phone.
Nazare, Silver Coast
Silver CoastNazareA fishing town with a long sand beach and a clifftop quarter, O Sitio, reached by a funicular. In winter the biggest surfed waves in the world break off the lighthouse.✓Big wave days are announced only a day or two ahead. Follow the surf forecast if you want to see one.
Ponta de Sao Lourenco, Madeira
MadeiraPonta de Sao LourencoA bare, windswept headland at the east end of the island, walked on a marked trail with the Atlantic on both sides. Madeira is a short flight from Lisbon or Porto.✓Your Portugal eSIM works on the islands too. Use it to check the trail and weather conditions before you drive out.

Roam with your carrier, or buy an eSIM

AT&T's International Day Pass is $12 a day in Portugal, $36 for three days, $168 for two weeks and $360 for a month, read 31 October 2026, against $8.99, $16.99 and $26.99 for Ringo Light's 3 days, 2 weeks and 30 days. Verizon TravelPass lists Portugal at the same $12 a day on the same date.

Portugal is the one place in this set where even a single day of roaming costs more than the eSIM: a day at $12 is above Ringo Light's 3 days at $8.99. The gap is $27.01 on three days, $151.01 on two weeks and $333.01 on a month. Among the rivals, three days is $11 at Nomad, $11.50 at Airalo and $11.90 at Holafly. For 15 days, Ubigi asks $34 for a fixed 30 GB, then 2 Mbps, Airalo $48, Saily $48.99 and Holafly $50.50. For the month, $48 to $73.90.

The carrier still wins a few things, and I would not dismiss them. Your own number keeps ringing, there is nothing to install, and both pages say you pay only on the days the phone is used. If you land, take one taxi and fly out the same evening, I would roam and skip the setup. For anything where the phone is on for two days or more, I would buy the eSIM.

AT&T adds $6 a day for each extra line used the same day. Two of you on one account for two weeks is $18 a day, $252, against two Ringo Light eSIMs at $33.98.

Networks in Portugal, and what changes for a visitor from the United States

Portugal has three networks: MEO, NOS and Vodafone, and all three cover Lisbon, Porto and the Algarve coast well. In the table, Holafly names MEO, NOS and Vodafone, Saily MEO, Vodafone and NOS, Nomad Vodafone and MEO, Ubigi MEO, and Airalo NOS and two others. Ringo Light rides a local partner network. For the cities and the coast, I would not choose on the network.

The difference for you is the billing. AT&T and Verizon charge per day of use on the line you already pay for. AT&T says several included countries used on one day still cost a single daily fee, which helps if you cross into Spain. Verizon gives 5 GB of high-speed data in each 24-hour session, then unlimited data at 3G speeds, and a further 2 GB can be bought for $10 in countries like Portugal. AT&T describes unlimited high-speed data when the pass sits on an Unlimited Plan. The eSIMs run for a fixed number of days from the moment you start them.

Neither carrier page lists a monthly plan for Portugal, so I read the month as thirty days at $12. Both pages say calls inside Portugal and back home are included, though calls to other countries are billed at long-distance rates.

If you want a data bucket: Airalo or Ubigi

  • Airalo, $11 for 10 GB. Its Fofo Mobil plan also sells 20 GB for $19, the cheapest 20 GB here that does not renew. The app is needed.
  • Ubigi, $11 for 10 GB. The same price on MEO with 5G, installed by QR code with no app.
  • Nomad, $16 for 10 GB. 20 GB comes to $20, on Vodafone and MEO.
  • Saily, $16.99 for 10 GB. 20 GB comes to $27.99, a price I read on saily.com.
  • ✓Ringo Light, no buckets. Its 2 weeks is unlimited at $16.99 and its 30 days unlimited at $26.99. For 10 GB that lasts a month, Airalo and Ubigi at $11 are the better buy, and Airalo sells 20 GB for $19. Those are the rival wins, and a light user should take them.

What Ringo Light is

Ringo Light is the data eSIM of the company I write for, so weigh my pick with that in mind. It is sold to fund the full Ringo, one plan that works everywhere with your own number ported onto it. For Portugal it sells three trips, all unlimited data at full speed: 3 days at $8.99, 2 weeks at $16.99 and 30 days at $26.99. Nothing renews. The eSIM arrives by email and installs in one scan, no app.

The eSIM sits beside your own SIM, so your number can keep ringing for calls and texts if you leave roaming on for those. Both carrier pages describe calls as part of the pass. I would keep the SIM in for bank codes and give the data to Ringo Light.

The card to buy it is further up this page, just after the side-by-side table.

Pick by trip

A long weekend in Lisbon

Ringo Light, 3 days at $8.99, against $36 on either day pass. Even one day of roaming at $12 costs more.

One night, one day, then the airport

I would roam if setup is a chore. Otherwise Ringo Light at $8.99 is still the cheaper way to cover it.

Two weeks from Lisbon to Porto and the Algarve

Ringo Light, $16.99, against $168 on the passes and $34 to $50.50 at the rivals.

A month working from Lisbon

Ringo Light, $26.99, against $360 on the passes. The cheapest rival month is Ubigi at $48.

Light use, budget first

Airalo or Ubigi, 10 GB for 30 days at $11, if you will mostly use maps and tickets.

Your own number must ring, for calls and bank codes

I would keep the carrier SIM active with roaming on for those, and run the data on the eSIM.

Frequently asked questions

Should Americans use AT&T's day pass or an eSIM in Portugal?+
I would buy the eSIM for nearly any stay. A single day of the pass is $12, more than Ringo Light's 3 days at $8.99, and two weeks is $168 against $16.99, read 31 October 2026.
Will my American number still work with a Portugal eSIM?+
Yes, as far as I read. The eSIM carries data only and your own SIM stays in the phone beside it, so calls and texts to your number arrive while roaming is on for that line. The AT&T and Verizon pages both describe calls working on your own line with the pass.
Is unlimited really unlimited?+
Every brand has a limit somewhere. Airalo gives a daily allowance then 1 Mbps, Saily 5 GB a day, Nomad 2 GB, and Ubigi a fixed amount then 2 Mbps. Verizon gives 5 GB per 24 hours, then 3G speeds. Ringo Light is unlimited data at full speed.
Which is cheapest for two weeks in Portugal?+
I would buy Ringo Light, $16.99 on 22 October 2026. Ubigi asks $34 for a fixed amount of data, the others $48 to $50.50, and a carrier day pass comes to $168.

How we compared, and our sources

Airalo, Holafly, Saily, Nomad, Ubigi, AT&T, Ringo Light, Verizon, Ringo Light

We priced Airalo, Holafly, Saily, Nomad, Ubigi and Ringo Light for Portugal on 22 October 2026, all on the same day, in US dollars. Each rival's price comes from its own website where it showed dollars, otherwise from an esimdb.com listing, and every source and its date is listed below. Ringo Light's prices come from the catalogue our checkout charges.

We compare the trips people actually book: a week, two weeks and a month of unlimited data, and a 10 GB bucket. We read each brand's fair use and speed rules and quote them as the brands state them. We did not run speed tests, so this page makes no speed claims for any brand.

Ringo Light is our own product. We put it in the table on the same terms as everyone else, and where a rival is the better buy the page says so.

Left out: Maya Mobile. We could not read its own prices for this country on the day, so it stays out rather than being guessed.

Written and priced by the Ringo team. Prices change often; if you spot one that has moved, tell us through the contact page and we will update the table.

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